NWS Key West

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Last Map Update: Wed, Jun 3, 2026 at 3:14:17 am EDT

Watches, Warnings & Advisories

National Weather Service National Weather Service

National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

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Small Craft Advisory

Rain/Thunder Chances on the Rise

Island Chain

Marine Winds

Wave Heights

Record May Heat

The chance of rain and thunderstorms increases tonight to 40%, and further to 60-70% for Wednesday and Thursday. Some areas could see soaking rains over the next couple of days depending on where slow-moving showers set up. Rain chances begin decreasing on Friday and into the weekend.

Today... Showers likely with a chance of thunderstorms. Highs in the mid to upper 80s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.

Today... NE-E light to gentle breezes. Seas: Bay/Gulfside ≤1 ft; Hawk Channel ≤1 ft; FL Straits 1-2 ft; SE Gulf 1-2 ft. Bay/nearshore waters smooth to a light chop. Showers likely, chance of thunderstorms.

Today... NE-E light to gentle breezes. Seas: Bay/Gulfside ≤1 ft; Hawk Channel ≤1 ft; FL Straits 1-2 ft; SE Gulf 1-2 ft. Bay/nearshore waters smooth to a light chop. Showers likely, chance of thunderstorms.

May 2026 heat enters the record books for Key West, ranking as the warmest May (ties 2024) and the warmest Spring (previously 2024) on record. May averaged 84.7°F (3.6 degrees above the 30-yr average/normal) Spring [March-April-May] averaged 80.5°F (2.7 degrees above the 30-yr average/normal) Temperature records date back to July 1872 for Key West and June 1950 for Marathon (however, Marathon did not rank in the top 10 for warmest May or Spring.)

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